Antelope Expansion 3B
Solar power plant in Los Angeles County, California. 5 MW of nameplate capacity across 1 generator, operated by AES Distributed Energy.
Also known as EIA plant 62674
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 5 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- June 2021First generator online
- Operator
- AES Distributed EnergyEIA operator ID 61012
- Grid
- CAISOBalancing authority CISO
- Price nodes
- 1 CAISO nodeResource nodes with prices
- Location
- Los Angeles County, CA34.7202, −118.3225
- EIA plant ID
- 62674EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Antelope Expansion 3B produces
Free · EIA-923Net generation, 2025
12.6 GWh
12,582 MWh, final
Capacity factor, 2025
28.7%
2024: 25.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2022 to 2025
11.0–13.4
GWh a year. Low 2024, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | Not reported | Not reported | 0 of 12 |
| 2021 | 7,392 | Not reported | 7 of 12 |
| 2022 | 13,396 | 30.6% | 12 of 12 |
| 2023 | 11,400 | 26.0% | 12 of 12 |
| 2024 | 10,977 | 25.0% | 12 of 12 |
| 2025 | 12,582 | 28.7% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · CAISOEmissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| ANX3B | Solar Photovoltaic | 5.0 | June 2021 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists AES Distributed Energy as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Modeled curtailment
A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.
Expected vs reported generation
Monthly modeled expected output and physical potential next to EIA-923 reported output.
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Power plants near Antelope Expansion 3B
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Questions about Antelope Expansion 3B
How much power does Antelope Expansion 3B produce?
Antelope Expansion 3B reported 12,582 MWh (12.6 GWh) of net generation in 2025, a 28.7% capacity factor on 5 MW of nameplate capacity.
Where is Antelope Expansion 3B?
Antelope Expansion 3B is in Los Angeles County, California, at 34.7202, −118.3225. It is in the California Independent System Operator balancing area (CISO).
Who operates Antelope Expansion 3B?
EIA-860M for August 2026 lists AES Distributed Energy as the operator (EIA operator ID 61012). The operator is not always the owner.
When did Antelope Expansion 3B start operating?
Its first generator began operating in June 2021, according to EIA-860M.
Does InfraMap have power prices for Antelope Expansion 3B?
Yes. InfraMap has CAISO day-ahead and real-time prices at 1 price node linked to Antelope Expansion 3B, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- CAISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page